Maximum penalty on the charge is 10 years in prison and a $250,000 fine.

Update 7/17/2006 from the U.S. attorney's office:

A June 28, 2006, news release from our office
announced the guilty plea by Louis E. George of Lexington, Mo., to illegally
possessing a machine gun, referring to him in the headline as a "Lexington pawn
shop owner." As noted in the body of the news release, George is the owner of
Omega Shop. However, this business is actually an Army surplus store rather than
a pawn shop.

A June 28, 2006, news release from our office
announced the guilty plea by Louis E. George of Lexington, Mo., to illegally
possessing a machine gun, referring to him in the headline as a "Lexington pawn
shop owner." As noted in the body of the news release, George is the owner of
Omega Shop. However, this business is actually an Army surplus store rather than
a pawn shop.